وَإِنَّهُۥ لَعِلْمٌ لِّلسَّاعَةِ فَلَا تَمْتَرُنَّ بِهَا وَٱتَّبِعُونِ ۚ هَـٰذَا صِرَٰطٌ مُّسْتَقِيمٌ ٦١
And indeed, he [i.e., Jesus] will be [a sign for] knowledge of the Hour, so be not in doubt of it, and follow Me. This is a straight path.
Your location stays on this device and is only sent, rounded to about 1 km, to fetch the times.